Prevalence and Ecotoxicological significance of heavy metals in sediments of lower stretches of the Hooghly estuary, India
Journal Title: International Journal of Experimental Research and Review - Year 2019, Vol 19, Issue 2
Abstract
The concentration and distribution of selected eight heavy metals in five stations from lower stretches of the Hooghly estuary were studied to ascertain the level of anthropogenic contaminant loading resulting from the development of the region. Atomic absorption spectroscopy showed that the mean concentration of Fe, Zn, Cu, Ni, Pb, Cr, Cd and As (mg kg-1, dry weight,) ranged from 29950.70 – 39567.94, 61.45 – 98.83, 40.65 – 54.46, 25.44 – 42.78, 36.93 – 48.56, 29.07 – 46.35, BDL – 3.48 and 1.18 – 6.44 respectively. Pollution load index (PLI) and Index of geoaccumulation (Igeo) revealed overall low values but the enrichment factors (EFs) for Cd was typically high for three of the stations. Calculations based on Effect Range Low (ERL) and Threshold Effect Level (TEL) showed that the mean concentration of Cu, Ni and Cd and to some extent Pb exceeded these levels, indicating that there is chance of ecotoxicological effects on benthic organisms dwelling in this region. Inter-elemental relationship and cluster analysis revealed identical behavior of the elements during transport and distribution. The study will help to further the cause of environmental protection of this sensitive biorealm in conjunction with the need for development of the region.
Authors and Affiliations
Debargha Chakraborty; Dipanwita Das; Alok Chandra Samal; Subash Chandra Santra
Keywords
Related Articles
- EP ID EP702214
- DOI https://doi.org/10.52756/ijerr.2019.v19.001
- Views 87
- Downloads 0
A Fusion Method for Detection and Classification of Diseases in Tomato Plants Using Swarm-based Deep Learning
Precise identification and detection of ailments in tomato plants are essential for preserving crop vitality and optimizing agricultural productivity. This promotes the use of agricultural methods that can be maintained...
Preclinical evaluation of the diabetic wound healing activity of phytoconstituents extracted from Ficus racemosa Linn. leaves
Human body has several multi-layered organs, but skin is one of biggest and easiest to access. It serves as body's primary line of defense alongside various skin diseased conditions. Despite receiving sufficient and appr...
Precision fault prediction in motor bearings with feature selection and deep learning
In the disciplines of industrial machinery, mechanical engineering is beneficial to recognize motor performance for motors with HP power, torque transducer, dynamometer, and control electronics. The motivation is to addr...
The Impact of Leadership Styles, Cultural Dimensions and Values on Academic Leaders
This study investigates the cultural dimensions, values, and leadership styles of school leaders in Indian K-12 and European schools, specifically focusing on cross-cultural differences. The objective is to explore how l...
Study of Wear Rate of AA7050-7.5 B4C-T6 Composite and Optimization of Response Parameters using Taguchi Analysis
High-strength-to-weight ratio materials are crucial for the automotive and aerospace sectors, driving the demand for advanced solutions. Traditional monolithic materials fall short of meeting these requirements, promptin...